Patents for G10L 25 - Speech or voice analysis techniques not restricted to a single one of groups (4,910) |
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12/21/1995 | CA2169366A1 Method and device for encoding signal, method and device for decoding signal, recording medium, and signal transmitting device |
12/13/1995 | EP0686266A1 Arrangement for detecting the actual value of a measurement at high potential |
12/07/1995 | WO1995029480A3 Analogue signal coder |
12/06/1995 | EP0685835A1 Speech recognition based on HMMs |
12/05/1995 | US5473759 Sound analysis and resynthesis using correlograms |
12/05/1995 | CA1337708C Adaptive multivariate estimating apparatus |
11/22/1995 | EP0683481A2 Voice operated game apparatus |
11/02/1995 | WO1995029480A2 Analogue signal coder |
10/25/1995 | CN1110884A 失帧的隐蔽 Frame loss concealment |
10/25/1995 | CN1110883A Rejected frame concealment |
10/18/1995 | EP0677202A1 Discriminating between stationary and non-stationary signals |
10/18/1995 | CN1110486A Transmission error concealment |
10/17/1995 | US5459814 Voice activity detector for speech signals in variable background noise |
10/12/1995 | WO1995027335A1 Method and device for encoding information, method and device for decoding information, information transmitting method, and information recording medium |
10/11/1995 | CN1110070A Discriminating between stationary and non-stationary signals |
10/10/1995 | US5457769 Method and apparatus for detecting the presence of human voice signals in audio signals |
10/04/1995 | CN1109697A Vector quantizer method and apparatus |
09/27/1995 | CN1109264A Transmission system comprising at least a coder |
09/27/1995 | CN1109263A Transmission system comprising at least a coder |
09/20/1995 | EP0673014A2 Acoustic signal transform coding method and decoding method |
09/19/1995 | US5451951 Method of, and system for, coding analogue signals |
09/13/1995 | EP0671099A1 A voice activity detector for an echo suppressor and an echo suppressor |
09/12/1995 | US5450484 Voice detection |
07/27/1995 | WO1995020216A1 Method and apparatus for indicating the emotional state of a person |
07/05/1995 | EP0473664B1 Analysis of waveforms |
07/04/1995 | CA1336212C Distance measurement control of a multiple detector system |
06/27/1995 | CA2011775C Method of detecting acoustic signal |
06/06/1995 | US5422977 Apparatus and methods for the generation of stabilised images from waveforms |
06/01/1995 | WO1995015035A1 Method and apparatus for testing telecommunications equipment |
06/01/1995 | CA2171864A1 Method and apparatus for testing telecommunications equipment |
05/31/1995 | EP0655161A1 Lost frame concealment |
05/31/1995 | EP0655160A1 Transmission error concealment |
05/31/1995 | EP0655159A1 Rejected frame concealment |
05/17/1995 | EP0653091A1 Discriminating between stationary and non-stationary signals |
05/11/1995 | WO1995012879A1 Discriminating between stationary and non-stationary signals |
05/11/1995 | CA2151398A1 Discriminating between stationary and non-stationary signals |
04/26/1995 | EP0649558A1 Transmission system comprising at least a coder |
04/26/1995 | EP0649557A1 Transmission system comprising at least a coder |
04/13/1995 | WO1995006382A3 A voice activity detector for an echo suppressor and an echo suppressor |
04/12/1995 | EP0647375A1 Method and apparatus for objective speech quality measurements of telecommunication equipment |
04/12/1995 | EP0342687B1 Coded speech communication system having code books for synthesizing small-amplitude components |
04/05/1995 | CN1101214A Method and apparatus for encoding/decoding of background sounds |
03/28/1995 | CA1335003C Voice activity detection |
03/23/1995 | WO1995008170A1 Voice activity detector |
03/22/1995 | EP0644674A2 Method of transmission quality estimation of a speech transmission link |
03/21/1995 | CA1334868C Sound synthesizing method and apparatus |
03/15/1995 | EP0643520A2 System and method for passive voice verification in a telephone network |
03/07/1995 | US5396576 Speech coding and decoding methods using adaptive and random code books |
03/02/1995 | WO1995006382A2 A voice activity detector for an echo suppressor and an echo suppressor |
03/01/1995 | EP0640953A1 Audio signal processing method and apparatus |
02/02/1995 | DE4324292C1 Method for determining a quantity characterising the quality of digital speech transmission |
01/18/1995 | EP0634041A1 Method and apparatus for encoding/decoding of background sounds |
01/12/1995 | WO1994022131A3 Speech recognition with pause detection |
01/11/1995 | EP0633658A2 Voice activated transmission coupled AGC circuit |
01/05/1995 | WO1995001011A1 Method and apparatus for testing telecommunications equipment using a reduced redundancy test signal |
12/22/1994 | WO1994029965A1 Code excitation linear prediction encoder and decoder |
12/22/1994 | WO1994029851A1 Transmission error concealment |
12/22/1994 | WO1994029850A1 Lost frame concealment |
12/22/1994 | WO1994029849A1 Rejected frame concealment |
12/22/1994 | CA2140365A1 Transmission error concealment |
12/22/1994 | CA2140364A1 Rejected frame concealment |
12/22/1994 | CA2140363A1 Lost frame concealment |
12/20/1994 | US5375188 Music/voice discriminating apparatus |
12/14/1994 | EP0628232A1 Fractal coding of data |
12/13/1994 | US5373460 Method and apparatus for generating sliding tapered windows and sliding window transforms |
12/08/1994 | WO1994028542A1 Discriminating between stationary and non-stationary signals |
12/08/1994 | CA2139628A1 Discriminating between stationary and non-stationary signals |
11/24/1994 | WO1994027286A1 Process for vector quantization, especially of voice signals |
11/24/1994 | WO1994027285A1 Vector coding process, especially for voice signals |
11/17/1994 | EP0624866A2 Method for frequency analysis |
11/17/1994 | EP0405548B1 System for speech coding and apparatus for the same |
11/17/1994 | DE4315677A1 Circuit arrangement for determining the fundamental frequency from a signal which is not bandwidth-limited and contains harmonics and interference signals, in particular for determining the fundamental voice frequency from a voice and speech signal |
11/10/1994 | WO1994025961A1 Transmission system comprising at least a coder |
11/10/1994 | WO1994025960A1 Transmission system comprising at least a coder |
10/13/1994 | WO1994023519A1 Method and apparatus for voice and modem signal discrimination |
10/13/1994 | WO1994023426A1 Vector quantizer method and apparatus |
10/11/1994 | US5355431 Signal detection apparatus including maximum likelihood estimation and noise suppression |
10/04/1994 | US5353372 Accurate pitch measurement and tracking system and method |
09/29/1994 | WO1994022131A2 Speech recognition with pause detection |
09/07/1994 | EP0614171A1 Voice signal processing device |
09/07/1994 | EP0614170A1 Voice signal processing device |
09/07/1994 | EP0614169A1 Voice signal processing device |
09/01/1994 | WO1994019792A1 Sound analysis and resynthesis using correlograms |
09/01/1994 | WO1994019700A1 Arrangement for detecting the actual value of a measurement at high potential |
08/10/1994 | EP0609770A1 Method of estimating the pitch of a speech acoustic signal and speech recognition system using the same |
08/09/1994 | US5337251 Method of detecting a useful signal affected by noise |
08/04/1994 | WO1994017515A1 Method and apparatus for encoding/decoding of background sounds |
08/04/1994 | CA2133071A1 Method and apparatus for encoding/decoding of background sounds |
06/14/1994 | US5321636 Method and arrangement for determining signal pitch |
06/01/1994 | EP0599664A2 Voice encoder and method of voice encoding |
05/31/1994 | CA2026823C Pitch period searching method and circuit for speech codec |
05/31/1994 | CA2019801C System for speech coding and an apparatus for the same |
05/18/1994 | EP0597126A1 Method for compressing sound information and apparatus for reproducing sound information |
05/17/1994 | US5313553 Method to evaluate the pitch and voicing of the speech signal in vocoders with very slow bit rates |
05/11/1994 | EP0596785A1 Method for the discrimination of speech in presence of ambient noise and low bit-rate vocoder to implement the method |
05/04/1994 | EP0347307B1 Coding method and linear prediction speech coder |
04/07/1994 | DE4316297C1 Audio signal frequency analysis method - using window functions to provide sample signal blocks subjected to Fourier analysis to obtain respective coefficients. |
04/06/1994 | EP0590155A1 High-efficiency encoding method |
03/15/1994 | US5295225 Noise signal prediction system |
03/15/1994 | US5295190 Method and apparatus for speech recognition using both low-order and high-order parameter analyzation |